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hash_final

Description

The hash_final of Hash for PHP finalize an incremental hash and return resulting digest.

Syntax

hash_final(
    HashContext $context,
    bool $binary = false
): string

Parameters

context

Hashing context returned by hash_init().

binary

When set to true, outputs raw binary data. false outputs lowercase hexits.

Return

Returns a string containing the calculated message digest as lowercase hexits unless binary is set to true in which case the raw binary representation of the message digest is returned.

Examples

1 · context

<?

$algo = "sha384";

$context = hash_init($algo);
$data = "mydata";

hash_update($context, $data);

$return = hash_final($context);

echo $return;

8a40b2c5c3861f6bd1c175adffcb109c84e6e0a7d53f1cb6d698bcc9bbfcbe5d9175fa446a606c8f6e7aaf592ad6ad4c

2 · binary

<?

$algo = "sha384";

$context = hash_init($algo);
$data = "mydata";

hash_update($context, $data);

$binary = true;

$return = hash_final($context, $binary);

echo $return . PHP_EOL
. bin2hex($return);

�@��Æk�u��������?�֘�ɻ��]�u�Dj`l�nz�Y*֭L
8a40b2c5c3861f6bd1c175adffcb109c84e6e0a7d53f1cb6d698bcc9bbfcbe5d9175fa446a606c8f6e7aaf592ad6ad4c